CN209691958U - A kind of high frequency double antenna and high frequency passive intelligent electronic lock - Google Patents
A kind of high frequency double antenna and high frequency passive intelligent electronic lock Download PDFInfo
- Publication number
- CN209691958U CN209691958U CN201920534360.8U CN201920534360U CN209691958U CN 209691958 U CN209691958 U CN 209691958U CN 201920534360 U CN201920534360 U CN 201920534360U CN 209691958 U CN209691958 U CN 209691958U
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- high frequency
- electronic lock
- coils
- intelligent electronic
- antenna
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Abstract
The problem of a kind of high frequency double antenna and high frequency passive intelligent electronic lock solve the antenna of existing high frequency passive intelligent electronic lock when providing high current to load, influence chip communication.The antenna is in high frequency passive intelligent electronic lock, the antenna includes two independent coils: No.1 coil and No. two coils, communication of the No.1 coil for the integrated chip in high frequency passive intelligent electronic lock, No. two coils are the load supplying in high frequency passive intelligent electronic lock, accordingly even when the work for being connected to the communication coil of NFC integrated chip can not also be influenced when the antenna of the utility model is connected to the motor of heavy load and powers for it.Meanwhile two coils are separately positioned on the upper layer and lower layer of pcb board by the utility model, minimize the mutual inductance of two coils, to reduce interacting for two coils.The utility model also provides a kind of high frequency passive intelligent electronic lock, and the electronic lock further includes above-mentioned high frequency double antenna.
Description
Technical field
The utility model relates to a kind of antenna, in particular to the double days of a kind of high frequency for high frequency passive intelligent electronic lock
Line.
Background technique
NFC mobile phone can be used for triggering NFC label and generate high level, this high level can be used for controlling the electricity of passive NFC lock
Machine is rotated for unlocking.But the motor driving of some passive NFC locks needs biggish electric current, if an antenna is used for core simultaneously
Piece internal work and simultaneously provide high current for driving load, then the load of high current can drag down antenna energy, to influence core
The communication of piece.
Summary of the invention
For existing high frequency passive intelligent electronic lock antenna provide high current to load when, influence asking for chip communication
Topic, the utility model provide a kind of high frequency double antenna and high frequency passive smart electronics for providing high current and not influencing chip communication
Lock.
The high frequency double antenna of the utility model, the antenna is in high frequency passive intelligent electronic lock, the antenna to include
Two independent coils: No.1 coil and No. two coils, No.1 coil is for the integrated chip in high frequency passive intelligent electronic lock
Communication, No. two coils are the load supplying in high frequency passive intelligent electronic lock.
Preferably, the No.1 coil and No. two coils are separately positioned on pcb board in high frequency passive intelligent electronic lock
Upper layer and lower layer.
Preferably, the antenna further includes rectifier bridge and polar capacitor, and the electric current of No. two coils passes sequentially through rectifier bridge
Load is input to polar capacitor.
The utility model also provides a kind of high frequency passive intelligent electronic lock, and the electronic lock further includes the double days of above-mentioned high frequency
Line, the electronic lock include mechanical lock, load, switch and NFC integrated chip；The load is motor, No.1 coil 1 and NFC
The signal input part of integrated chip connects, the on-off signal input terminal of the control signal output connection switch of NFC integrated chip,
Switch is arranged between No. two coils 2 and motor, and for controlling whether No. two coils 2 power to motor, motor is for controlling machine
The rotation of tool lock.
The beneficial effects of the utility model, present embodiment are responsible for NFC integrated chip and intelligent terminal by No.1 coil
Communication, No. two coils are load supplying, accordingly even when the antenna of the utility model is connected to the motor of heavy load and powers for it,
It can not also influence the work for being connected to the communication coil of NFC integrated chip.Meanwhile two coils are respectively set the utility model
In the upper layer and lower layer of pcb board, the mutual inductance of two coils is minimized, to reduce interacting for two coils.
Detailed description of the invention
Fig. 1 is the principles of the present invention schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
A kind of high frequency double antenna of present embodiment is used in high frequency passive intelligent electronic lock, the antenna as shown in Figure 1
Including two independent coils: No.1 coil 1 and No. two coils 2, No.1 coil 1 is for the collection in high frequency passive intelligent electronic lock
At the communication of chip, No. two coils 2 are the load supplying in high frequency passive intelligent electronic lock.
High frequency passive intelligent electronic lock mainly includes mechanical lock, motor, switch and NFC integrated chip；In present embodiment
Load be motor；No.1 coil 1 is connect with the signal input part of NFC integrated chip, and the control signal of NFC integrated chip is defeated
The on-off signal input terminal of outlet connection switch, switch are arranged between No. two coils 2 and motor, for controlling No. two coils 2
Whether power to motor, motor is used to control the rotation of mechanical lock；
User obtains the key information of electronic lock by intelligent terminal, and it is decrypted, and obtains key information, according to
Key information carries out verifying and determines whether unlocking authority, will using the NFC function of intelligent terminal after determining has unlocking authority
Unlocking information is sent to the No.1 coil 1 of present embodiment, and No.1 coil 1 passes information to NFC integrated chip, and NFC is integrated
The split lock information of chip is authenticated, and a high level can be generated to switch by being proved to be successful, and is closed the switch, in No. two coils 2
Induced current is input to motor, realizes the driving to motor, and then unlock mechanical lock.
Present embodiment is responsible for the communication of NFC integrated chip and intelligent terminal by No.1 coil 1, accordingly even when this embodiment party
When the antenna of formula is connected to the motor of heavy load and powers for it, the communication coil for being connected to NFC integrated chip can not also be influenced
Work.
In preferred embodiment, two independent coils of present embodiment are separately positioned in high frequency passive intelligent electronic lock
The upper layer and lower layer of pcb board.
Two adjacent coils are easy to produce mutual inductance, so two coils are separately positioned on pcb board by present embodiment
Upper layer and lower layer minimize the mutual inductance of two coils, to reduce interacting for two coils.
In preferred embodiment, the antenna of present embodiment further includes rectifier bridge and polar capacitor, the electric current of No. two coils 2
It passes sequentially through rectifier bridge and polar capacitor is input to load.
Rectifier bridge is rectified to the electric current of No. two coils 2, and polar capacitor is that the electric current after rectification is filtered.
The antenna of present embodiment is applied in high frequency passive intelligent electronic lock, so the height with above-mentioned function antenna
Frequency passive intelligent electronic lock is also within the protection scope of the utility model.
Although describing the utility model herein with reference to specific embodiment, it should be understood that, this
A little embodiments are only the example of the principles of the present invention and application.It should therefore be understood that can be to illustrative reality
It applies example and carries out many modifications, and can be designed that other arrangements, without departing from this reality as defined in the appended claims
With novel spirit and scope.It should be understood that can be combined by being different from mode described in original claim
Different dependent claims and feature described herein.It will also be appreciated that combining spy described in separate embodiments
Sign can be used in other embodiments.
Claims (4)
1. a kind of high frequency double antenna, the antenna is in high frequency passive intelligent electronic lock, which is characterized in that the antenna includes
Two independent coils: No.1 coil (1) and No. two coils (2), No.1 coil (1) is in high frequency passive intelligent electronic lock
The communication of integrated chip, No. two coils (2) are the load supplying in high frequency passive intelligent electronic lock.
2. high frequency double antenna according to claim 1, which is characterized in that the No.1 coil (1) and No. two coils (2) point
The upper layer and lower layer of pcb board in high frequency passive intelligent electronic lock are not set.
3. high frequency double antenna according to claim 1, which is characterized in that the antenna further includes rectifier bridge and polarity electricity
Hold, the electric current of No. two coils (2) passes sequentially through rectifier bridge and polar capacitor is input to load.
4. a kind of high frequency passive intelligent electronic lock, which is characterized in that the electronic lock further includes that claims 1 to 3 is any described
High frequency double antenna, the electronic lock includes mechanical lock, load, switch and NFC integrated chip；The load is motor, No.1
Coil (1) is connect with the signal input part of NFC integrated chip, and the control signal output connection switch of NFC integrated chip is led to
Break signal input terminal, switch are arranged between No. two coils (2) and motor, for controlling whether No. two coils (2) supply motor
Electricity, motor are used to control the rotation of mechanical lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534360.8U CN209691958U (en) | 2019-04-18 | 2019-04-18 | A kind of high frequency double antenna and high frequency passive intelligent electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534360.8U CN209691958U (en) | 2019-04-18 | 2019-04-18 | A kind of high frequency double antenna and high frequency passive intelligent electronic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209691958U true CN209691958U (en) | 2019-11-26 |
Family
ID=68608071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920534360.8U Active CN209691958U (en) | 2019-04-18 | 2019-04-18 | A kind of high frequency double antenna and high frequency passive intelligent electronic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209691958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541038A (en) * | 2020-04-29 | 2020-08-14 | 维沃移动通信有限公司 | Circuit structure of NFC antenna, electronic equipment and method for enhancing magnetic field intensity |
| CN114899587A (en) * | 2022-04-28 | 2022-08-12 | 维沃移动通信有限公司 | Antenna, electronic device and communication method |
-
2019
- 2019-04-18 CN CN201920534360.8U patent/CN209691958U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541038A (en) * | 2020-04-29 | 2020-08-14 | 维沃移动通信有限公司 | Circuit structure of NFC antenna, electronic equipment and method for enhancing magnetic field intensity |
| CN114899587A (en) * | 2022-04-28 | 2022-08-12 | 维沃移动通信有限公司 | Antenna, electronic device and communication method |
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